During the Thousand-Year Blood War arc, Ichigo trains with etsu and forges ... the opposing poles of his power and creating his true Zanpakuto: a shorter knife with an enclosed grip, and a larger ...

More importantly though, Ichigo's training with Squad 0 and realization of his true Zanpakuto enabled him to take down Yhwach when it really mattered. Sure, he may have had some much-needed ...